77938830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12197}}^1$

素因数の和:12281

約数の個数: 48

約数和(自身を含む): 205511904

約数和(自身を除く): 127573074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 12197, 24394, 36591, 60985, 73182, 109773, 121970, 182955, 219546, 365910, 548865, 865987, 1097730, 1731974, 2597961, 4329935, 5195922, 7793883, 8659870, 12989805, 15587766, 25979610, 38969415, 77938830]

約数ペア:

[(1, 77938830), (2, 38969415), (3, 25979610), (5, 15587766), (6, 12989805), (9, 8659870), (10, 7793883), (15, 5195922), (18, 4329935), (30, 2597961), (45, 1731974), (71, 1097730), (90, 865987), (142, 548865), (213, 365910), (355, 219546), (426, 182955), (639, 121970), (710, 109773), (1065, 73182), (1278, 60985), (2130, 36591), (3195, 24394), (6390, 12197)]